Home / 231,754,222.20-347,631,333.30-88,128,391.80

Finding the Fourth Proportional to 231,754,222.20, 347,631,333.30 and 88,128,391.80

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Solution

The fourth proportional to 231,754,222.20, 347,631,333.30 and 88,128,391.80 is: 132,192,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,754,222.20 : 347,631,333.30 = 88,128,391.80 : x
  2. Step 2: Convert to fraction form
    231,754,222.20/347,631,333.30 = 88,128,391.80/x
  3. Step 3: Cross multiply
    231,754,222.20x = 347,631,333.30 × 88,128,391.80
  4. Step 4: Simplify right side
    231,754,222.20x = 30,636,190,343,018,788
  5. Step 5: Solve for x
    x = 30,636,190,343,018,788/231,754,222.20
  6. Step 6: Final answer
    x = 132,192,587.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.